Genus Bakeriana Evans, 1954

Bakeriana procurrens (Jacobi), type species of Bakeriana Evans.

© Copyright Murray Fletcher, Orange Agricultural Institute.

Museums

Regional Maps

• Bakeriana Evans, J.W. 1954. Les Cicadellidae de Madagascar (Homoptères). Mémoires de l'Institut Scientifique de Madagascar E 4: 87-137 [129] [replacement name; for Bakeriola Evans, 1938].
• Ipocerus Evans, J.W. 1934. A revision of the Ipoinae (Homoptera: Eurymelidae). Transactions of the Royal Society of South Australia 58: 149-167 [165] [junior homonym; of Ipocerus Baker, 1915].

  Type species:

   Ipo procurrens Jacobi, 1909 by original designation.
• Bakeriola Evans, J.W. 1938. Australian Leafhoppers (Homoptera: Jassoidea): Part VIII. Papers and Proceedings of the Royal Society of Tasmania 1938: 1-18 [17] [replacement name; for Ipocerus Evans, 1934; junior homonym of Bakeriola Bergroth, 1920].

Introduction

The four species in this genus have the tegmina held more flat over the body than tectiform and overlapping apically. The species are not common in collections with the type species recorded only from SW Western Australia, a second species in the Northern Territory, another in Queensland and the other recorded along much of the eastern seaboard of Australia and into Papua New Guinea. Evans (1934) provided observations that the nymphs of B. procurrens are unlike those of other known eurymelines in that they jumped when disturbed and were not attended by ants. Whether this is true of all species of the genus is unknown. Since other eurymelines all appear to be gregarious and ant attended with nymphs which do not jump, the evolutionary significance of Bakeriana species not having these biological features is interesting. It either signals a retention of primitive traits in one genus or a reversal within the Eurymelinae. Evans (1934) hinted that the tribal placement of the genus was uncertain but retained it in the Ipoini pending further research.

Distribution

States

New South Wales, Northern Territory, Queensland, Tasmania, Victoria, Western Australia

IBRA and IMCRA regions

IBRA

NSW, NT, Qld, Tas, Vic, WA: Brigalow Belt South (BBS), Carnarvon (CAR), Channel Country (CHC), Darwin Coastal (DAC), Hampton (HAM), Murray Darling Depression (MDD), Pilbara (PIL), Sydney Basin (SB), South Eastern Queensland (SEQ), Swan Coastal Plain (SWA), Tasmanian West (TWE), Wet Tropics (WT)

Diagnosis

Species comprised in this genus have certain characters that separate them from the Eurymel[inae] and they cannot be placed in any of the known subfamilies of the [Cicadellidae with frontal ocelli]. The head is eurymeloid in character, the maxillary plates, frons and lorae being wide and the frontal suture complete anteriorly; the labium is long, reaching to between the bases of the hind legs; and the crown is visible from above as a narrow margin. The pronotum is deeply emarginate and the scutellum narrow, the anterior corners of the latter not nearly reaching to the sides of the body. The tegmina are not tectiform; they are narrow apically and the appendix is large but does not continue around the apex of the tegmen. The hind tibae bear three rows of spines, three of these on one row being set on enlarged bases, somewhat resembling, but less pronounced than, those found in the Eurymel[inae] proper. The male genitalia consist of long, flat subgenital plates and parameres, both slightly curved inwards apically; they are somewhat idiocerine in character (Evans 1934, as Ipocerus).

ID Keys

Fletcher, M.J. (2008) Illustrated Key to the Genera of the Tribe Ipoini (Hemiptera: Cicadellidae: Eurymelinae) http://www1.dpi.nsw.gov.au/keys/leafhop/eurymelinae/ipo00.htm

Diagnosis References

Evans, J.W. 1934. A revision of the Ipoinae (Homoptera: Eurymelidae). Transactions of the Royal Society of South Australia 58: 149-167 [165]

General References

Evans, J.W. 1934. A revision of the Ipoinae (Homoptera: Eurymelidae). Transactions of the Royal Society of South Australia 58: 149-167 [165]

History of changes